Ink cartridge



FIG. 1 is a bottom plan view of my new design;

FIG. 2 is an enlarged fragmentary top perspective view from reference point II from FIG. 1 and reference point II' from FIG. 5, wherein the curved line-dot-line broken line indicates the unclaimed edge of the claimed horizontal surface;

FIG. 3 is an enlarged fragmentary top perspective view from reference point III from FIG. 1 and reference point III' from FIG. 5, wherein the curved line-dot-line broken line indicates the unclaimed edge of the claimed horizontal surface;

FIG. 4 is an enlarged cross-sectional view taken on line 4—4 of FIG. 1; and,

FIG. 5 is an enlarged cross-sectional view taken on line 5—5 of FIG. 1.

The broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for an ink cartridge, as shown and described. 